# 数学口算练习 vs My Diary

The clearest difference is ads: 数学口算练习 at none against My Diary's shown. 数学口算练习 also leads on iOS requirement (10.0 vs 13.0). My Diary's advantage is update cadence (every 8 days vs every 7 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. 数学口算练习 sells 1 one-off in-app purchase and My Diary sells 4 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for 数学口算练习 against 4.7 for My Diary. Both are backed by a comparable volume of ratings — 91 and 134 respectively. Written reviews are what separate them: 97% of 数学口算练习's written reviews are positive against 100% of My Diary's.

数学口算练习 ships an update every 7 months, My Diary every 8 days. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 数学口算练习 | My Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (91 ratings)](https://appshunter.io/ios/app/68/id1570086471/reviews) | **[4.7 (134 ratings)](https://appshunter.io/ios/app/my-diary-private-notes/id1621005308/reviews)** |
| Number of ratings | 91 | **134** |
| Positive reviews | 97.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 47 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [森 袁](https://appshunter.io/developer/1345888871) | [晋荣 梁](https://appshunter.io/developer/1620342223) |

## What reviewers say

### 数学口算练习

[App page](https://appshunter.io/ios/app/68/id1570086471)

This app provides engaging oral math practice for children aged 6-8, focusing on addition, subtraction, multiplication, and division. Parents can adjust difficulty levels to suit their child's learning progress, with an emphasis on building quick calculation and mental math skills through interactive gameplay and appealing visuals.

**Highlights:** Oral calculation practice, Addition, subtraction, multiplication, division, Adjustable difficulty levels, Engaging game-based learning, Exquisite graphics and animations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 获取完全版本 | $1.99 | one-time |


### My Diary

[App page](https://appshunter.io/ios/app/my-diary-private-notes/id1621005308)

This app serves as a digital notebook for recording daily life and creative thoughts. It offers powerful editing tools, customizable backgrounds, and a decision-making turntable to help with everyday choices. Enhance your entries with unique fonts and special effects.

**Highlights:** Journal editing with cute maps and pattern fonts, Decision turntable for daily choices, Brush function with Apple Pencil support, Theme special effects for vivid entries, Customizable stationery backgrounds

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $3.49 | per month |
| 季度订阅 | $7.49 | per 3 months |
| Year Version | $13.49 | per year |
| 永久会员 | $7.99 | one-time |


## Frequently asked questions

### Is 数学口算练习 free?

数学口算练习 is free to download, with in-app purchases available.

### Is My Diary free?

My Diary is free to download, with in-app purchases available.

### Which has better reviews, 数学口算练习 or My Diary?

My Diary is rated higher. 数学口算练习 averages 4.6 out of 5 from 91 ratings, while My Diary averages 4.7 from 134 ratings.

### Do 数学口算练习 or My Diary have ads?

My Diary shows ads; 数学口算练习 does not.

### Which is updated more often, 数学口算练习 or My Diary?

数学口算练习 ships an update every 7 months, and My Diary every 8 days. Most recently, 数学口算练习 was updated on September 29, 2026 and My Diary on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*